Home / 509,966,641.40-764,949,962.10-165,167,720.60

Finding the Fourth Proportional to 509,966,641.40, 764,949,962.10 and 165,167,720.60

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Solution

The fourth proportional to 509,966,641.40, 764,949,962.10 and 165,167,720.60 is: 247,751,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,966,641.40 : 764,949,962.10 = 165,167,720.60 : x
  2. Step 2: Convert to fraction form
    509,966,641.40/764,949,962.10 = 165,167,720.60/x
  3. Step 3: Cross multiply
    509,966,641.40x = 764,949,962.10 × 165,167,720.60
  4. Step 4: Simplify right side
    509,966,641.40x = 126,345,041,613,113,392
  5. Step 5: Solve for x
    x = 126,345,041,613,113,392/509,966,641.40
  6. Step 6: Final answer
    x = 247,751,580.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.